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RE: Just got some info from BT re ADSL
- To: ukha_d@xxxxxxx
- Subject: RE: Just got some info from BT re ADSL
- From: nigel.giddings@xxxxxxx
- Date: Sun, 8 Oct 2000 09:45:08 +0100 (BST)
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
Dear all,
The more you look into this the worse it gets... I thought I had
problems getting ISDN installed and was disappointed when I found it
did not support MSN, it would seem that BT Products & Services guys
either don't know what the public want (or will want when they know
what is possible) or are actively limiting what can be done so that
they restrict the amount of traffic...
Has anyone seen a complete list of what is and what is not possible
with BT's version of ADSL. I am dissappointed to see that NetMeeting
will not work, surely this is something that should be used more and
more in the near future. Again they seem to be restricting applications
that generate high traffic. It would seem they say it is high speed, as
long as we don't all use it at the same time. This is very similar to
the promises made for UMTS (2Mb) and the realities (100K if you are
lucky).
Just my two pennies worth, I feel a little better now....
Nigel
Unlimited Freeserve with ISDN (I am generally pleased with this but it
seems to drop out a lot)
On Sat, 07 Oct 2000 23:05:55 BST, "Paul Gordon"
<paul_gordon@xxxxxxx> wrote:
> Chaps, (and ladies?)
>
> I've just received this reply from BT Openworld regarding some of the
>
> questions that have been flying round the list recently about their A
> DSL.
>
> Their helpdesk has edited out my original questions, and only sent me
> the
> replies, - they were numbered points. However, I think you can pretty
> easily
> work out what my questions were from the answers!
>
> If I correctly understand what they are telling me, it suggests that
> there
> is no way on earth a webserver can be hosted at the home end (see ans
> wer
> #1). If this is true, then they can forget it, what good is having my
> house
> on the end of a fast, always-on web link, if it is crippled down to o
> ne-way
> operation - IE only works to access the outside world from the house,
> but
> not the other way as well!!
>
> B.T. ..... TOSSERS more like!
>
> Paul G.
>
>
> >Dear Mr Gordon,
> >
> >Thank you for your enquiry.
> >
> >
> >
> >1.The ADSL connection works by using Dynamically assigned IP
address
> es when
> >you connect and then when the connection reaches the router at the
> >exchange, the connection is then assigned a Virtual IP address by
th
> e
> >exchange router. This is the reason why you cannot access your
comp
> uter
> >from an external computer. The exchange router acts like a
firewall
> and
> >will prevent the external computer form being able to read your
comp
> uters
> >IP address
> >
> >2. BT are unable to offer static IP addresses as there is a world
sh
> ortage
> >of them. There are plans to develop a new system that will allow
st
> atic
> >IP's to be available to all. As yet we have no further details.
AD
> SL IS
> >"always on", but there is a brief connection (logon)
procedure durin
> g which
> >customers are dynamically assigned a fresh IP address. The
addresses
> are
> >changes if you get disconnected for any reason. It would be
unreason
> able to
> >expect a connection to stay active and connected permanently to
give
> the
> >effect of a static IP.
> >
> >3. There is no guaranteed minimum bandwidth however with normal
> >downloading and surfing is transferred to your computer by
pulses.
> If all
> >the 50 people on the 50:1 contention were doing normal downloads
y
> ou will
> >experience some degradation your connection would probably go down
t
> o about
> >100-150k. The only way the connection speed (512kbits) would be
div
> ided by
> >50 is if everyone was video streaming( which is a continuous
stream
> instead
> >of the pulses) at exactly the same time
> >
> >5. We do not perform any form of packet filterring.
> >
> >6.&4. Unfortunately, you are unable to use NetMeeting, send or
recei
> ve
> >files for ICQ, this is to do with masquerading IP Addresses, which
i
> s a
> >form of NAT. However, you should be able to send and receive
message
> s on
> >ICQ.
> >I do hope this is of some assistance to you.
> >
> >If you have any further problems or enquiries, please do not
hesitat
> e to
> >contact us by email on enquiry@xxxxxxx
> >
> >Thank you once again for your valued enquiry.
> >
> >Regards
> >
> >BT Openworld
> >
>
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